diff --git a/src/backend/catalog/information_schema.sql b/src/backend/catalog/information_schema.sql
index b30da5f31b..9e14222fa9 100644
--- a/src/backend/catalog/information_schema.sql
+++ b/src/backend/catalog/information_schema.sql
@@ -216,7 +216,7 @@ CREATE DOMAIN character_data AS character varying COLLATE "C";
  * SQL_IDENTIFIER domain
  */
 
-CREATE DOMAIN sql_identifier AS character varying COLLATE "C";
+CREATE DOMAIN sql_identifier AS name;
 
 
 /*
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index b6a66db139..0e89b30365 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -53,6 +53,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	201812201
+#define CATALOG_VERSION_NO	201812202
 
 #endif